How To Find 55 Percent of a Number Easy

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How To Find 55 Percent of a Number Easy

1.Choose a 2-digit number.
2.Multiply the number by 11.
3.Divide by 2.
4.Move the decimal point one place to the left.

Ex-1:
If the number selected is 59:
Multiply by 11: 11 × 59 = 649
right digit is 9
next digit to left is 9 + 5 = 14 (use the 4 and carry 1)
last digit to left is 5 + 1 = 6
Divide by 2: 649/2 = 324.5
Move the decimal point one place to the left: 32.45
Hence 55% of 59 = 32.45.

Ex-2:
If the number selected is 81:
Multiply by 11: 11 × 81 = 891
right digit is 1
next digit to left is 1 + 8 = 9
last digit to left is 8
Divide by 2: 891/2 = 445.5
Move the decimal point one place to the left: 44.55
So 55% of 81 = 44.55.

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